You can give it to the dog. It contains healthy minerals, and fits perfect as dog food.

Stimulate a scroll-wheel. This is useful for an old one- or two-button mouse.

If you remove your Scroll Lock key and get 5 of your friends to do the same, you will soon find your mailbox filled with thousands of scroll lock keys. Then each of your friends convinces 5 of their friends to do the same, and before too long, often in less than a month, you all will have so many Scroll Lock keys that you will never need to replace your Scroll Lock key ever again! This absolutely works, and is 100% legal. I have a huge stack of Scroll Lock keys in my living room.

Note to advanced users: The above description is for Windows users. If you wish to go beyond this point in the use, care and feeding of the Scroll Lock key, you must install a pirated copy of Linux or run multiple OS's on a KVM setup. The super-secret scrolls locked within this evil machine are accessible only from the Linux command shell as, if a Windows user were to ever catch a glimpse of them, we would have to kill...